.box{
    width: 100%;
}
/* 预设样式 begin*/
.fl{
    float: left;
}
.fr{
    float: right;
}
/* 父元素 子元素浮动导致没有高度的问题 */
.clearflow:after{
    content: "";
    display: block;
    clear: both;
}
/* 图片自适应 */
.auto-img{
    width: 100%;
    height: auto;
    display: block;
}
/* 预设样式end */

/* 版心宽度1150px */

/* 网页头部 begin */
header{
    padding: 5px 0;
    width: 100%;
    height: 50px;

}
header .container{
    
    width: 1150px;
    height: 100%;
    margin: 0 auto;
    /* background-color: aqua; */
    box-sizing: border-box;
    /* padding: 5px 0; */

    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .container .logo{
    width: 130px;
}
header .container .centerl{
    width: 545px;
    height: 100%;
    
    
    display: flex;
    justify-content: space-between;
}
header .container .centerl .centerll{
    width: 50px;
    height: 100%;
    

    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .container .centerl .centerll .centerllimg{
    width: 20px;
}
header .container .centerl .centerll .centerlltext{
    width: 30px;
    font-size: 15px;
}
header .container .centerl .centerlr{
    width: 480px;
    height: 100%;
    border-radius: 20px;
    border: 2px solid blue;
    display: flex;
    align-items: center;
}
header .container .centerl .centerlr .centerlrl{
    width: 60px;
    box-sizing: border-box;
    padding: 20px;
}
header .container .centerl .centerlr .centerlrc{
    width: 350px;
    
}
header .container .centerl .centerlr .centerlrc>input{
    width: 100%;
    height: 50px;
    box-sizing: border-box;
    margin: 0 auto;
    outline: 0;
    border: 0;
    margin: 0;
}
header .container .centerl .centerlr .centerlrr {
    width: 70px;
    line-height: 50px;
    text-align: center;
}
header .container .centerl .centerlr .centerlrr .titl{
    background-color:#2AB8F6;
    width: 100%;
    height: 100%;
    border-top-right-radius: 15px;
    border-bottom-right-radius: 15px;
}

header .container .foot{
    width: 215px;
    height: 100%;
    
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .container .foot .container{
    width:100%;
    height: 100%;
    color: #D7D7D7;
}
header .container .foot .container>li{
    width: calc(100%/4);

}

/* 导航栏begin */
nav{
    width: 100%;
    height: 45px;
    margin: 5px 0;
    box-sizing: border-box;
}
nav .container{
    width: 1150px;
    height: 100%;
   
    margin: 0 auto;
}
nav .container .list{
    width: 510px;
    display: flex;
    justify-content: space-between;
}
nav .container .list>li{
    width: 100px;
    text-align: center;
    line-height: 45px;
}
nav .container .list>li:hover{
    color: #7FD3F8;
}
nav .container .list>li:first-child{
    color: #7FD3F8;
    border-bottom: 5px solid #7FD3F8;
}
/* 导航栏end */


/* 网页头部end */


main{
    width: 100%;
}
/* 热门学校begin */
.popular .container{
    width: 1150px;
    height: 700px;
    margin: 0 auto;
    /* background-color: darkmagenta; */
    display: flex;
    justify-content: space-between;
}
.popular .container .containerl{
    width: 75%;
    height: 100%;
    /* background-color: darkolivegreen; */
}
.popular .container .containerl .head{
    width: 100%;
    height: 10%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.popular .container .containerl .head .header{
    display: flex;
    align-content: flex-end;
}
.popular .container .containerl  .head .header>.big{
    font-size: 40px;
    /* font-weight: bolder; */
}
.popular .container .containerl  .head .header>.min{
    font-size: 20px;
    align-self: flex-end;
}
.popular .container .containerl .head>.foot{
    font-size: 20px;
    color: blue;
}
.popular .container .containerl .contert{
    width: 100%;
    height: 45%;
    display: flex;
}
.popular .container .containerl .contert .detail{
    width: calc(100%/3);
    height: 100%;
    /* background-color: blue; */
    box-sizing: border-box;
    padding: 10px;
    
}
.popular .container .containerl .contert .detail .detaili{
    width: 100%;
    height: 50%;
    
}
.popular .container .containerl .contert .detail .detailt{
    width: 100%;
    height: 50%;
    position: relative;
    top: 50px;
}
.popular .container .containerl .contert .detail .detailt .title{
    font-size: 20px;
    margin: 5px 0;
    box-sizing: border-box;
}
.popular .container .containerl .contert .detail .detailt .title1{
    color: #FEC45A;
    margin: 5px 0;
    box-sizing: border-box;
    font-size: 20px;
}

.popular .container .containerl .contert .detail .detailt .title2{
    margin: 5px 0;
    box-sizing: border-box;
    padding: 0 5px;

}
.popular .container .containerl .contert .detail .detailt .title3{
    margin: 5px 0;
    box-sizing: border-box;
    font-size: 15px;
}
span{
    background-color: #48C2F5;
    border-radius: 5px;
    font-size: 10px;
    box-sizing: border-box;
    padding: 3px;
}

/* 下 */
.popular .container .containerl .conterb{
    width: 100%;
    height: 45%;
    
    display: flex;
}
.popular .container .containerl .conterb .detail{
    width: calc(100%/3);
    
    /* background-color: blue; */
    box-sizing: border-box;
    padding: 10px;
}

.popular .container .containerl .conterb .detail .detaili{
    width: 100%;
    height: 50%;
}
.popular .container .containerl .conterb .detail .detailt{
    width: 100%;
    
    position: relative;
    top: 50px;
}
.popular .container .containerl .conterb .detail .detailt .title{
    font-size: 20px;
    margin: 5px 0;
    box-sizing: border-box;
}
.popular .container .containerl .conterb .detail .detailt .title1{
    color: yellow;
    margin: 5px 0;
    box-sizing: border-box;
    font-size: 20px;
}
.popular .container .containerl .conterb .detail .detailt .title2{
    margin: 5px 0;
    box-sizing: border-box;
}
.popular .container .containerl .conterb .detail .detailt .title3{
    margin: 5px 0;
    box-sizing: border-box;
    font-size: 15px;
}


.popular .container .containerr{
    width: 25%;
    

}
.popular .container .containerr .head{
    margin-top: 40px;
    padding: 30px 0;
    width: 100%;
    
    
    box-sizing: border-box;
}
.popular .container .containerr .head>.tilie{
    margin: 0;
    
    font-size: 25px;
    box-sizing: border-box;
    
}
.popular .container .containerr .head>.tilie>span{
    background-color: white;
    color: blue;
}
.popular .container .containerr .head>.tilie1{
    font-size: 18px;
    box-sizing: border-box;
    padding: 18px 0;
    position: relative;
}
.houmian::after{
    content: "热";
    position: absolute;
    top: 20px;
    right: 100px;
    color: white;
    width: 12px;
    height: 12px;
    font-size: 12px;
    background-color: red;
    border-radius: 2px;
}
.houmian1::after{
    content: "热";
    position: absolute;
    top: 20px;
    right: 130px;
    color: white;
    width: 12px;
    height: 12px;
    font-size: 12px;
    background-color: red;
    border-radius: 2px;
}
.popular .container .containerr .head>.tilie1>.tilie2{
    font-size: 10px;
}

/* 热门学校end */

/* 热门兴趣课 begin */
.taste{
    width: 100%;
    background-color: #F7F8FA;
}
.taste .container{
    width: 1150px;
    /* height: 460px; */
    margin: 0 auto;
    /* box-sizing: border-box; */
    padding: 40px 0;
    /* background-color: turquoise; */
}
.taste .container .head{
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    box-sizing: border-box;
    padding: 40px 0 0 0;
}
.taste .container .head .containerl{
    display: flex;
}
.taste .container .head .containerl>.hos{
    font-size: 35px;
}
.taste .container .head .containerl>.xue{
    font-size: 25px;
    align-self: flex-end;
}
.taste .container .head .containerr{
    font-size: 18px;
    color:blue;
}
.taste .container .bodys{
    width: 100%;
    /* background-color: red; */
    box-sizing: border-box;
    padding:20px 0 50px 0;
    
    display: flex;
}
.taste .container .bodys .containerb{
    width: calc(100%/4);
    height: 405px;
    /* background-color: saddlebrown; */
}
.taste .container .bodys .containerb .img{
    width: 270px;
    height: 335px;
    
    box-sizing: border-box;
    margin: 0 10px;
}
.taste .container .bodys .containerb .text{
    width: 100%;
    height:70px;
    box-sizing: border-box;
    margin: 10px 10px;
}
.taste .container .bodys .containerb .text>li:first-child{
    font-size: 20px;
    font-weight: bolder;
}
.taste .container .bodys .containerb .text>li:last-child{
    font-size: 17px;
    color: #B3B3B3;
    margin-top: 10px;
}
/* 热门兴趣课 end */


/* 家长种草 begin */
.parent{
    width: 100%;
}
.parent .container{
    width: 1150px;
    height: 775px;
    
    margin: 0 auto;
}
.parent .head{
    width: 100%;
    
    
    box-sizing: border-box;
    padding-top: 40px;

    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.parent .head .conterl{
    font-size: 35px;
}
.parent .head .conterr{
    font-size: 20px ;
    color: blue;
}
.parent .bodys{
    box-sizing: border-box;
    padding-top: 10px;
    width: 100%;
    height: 350px;
    
    display: flex;
    justify-content: space-between  ;
}
.parent .bodys .conters{
    width: 270px;
    height: 285px;
    
    border-radius: 5px;
    box-shadow: 2px 2px 2px 2px #999;

    display: flex;
    flex-direction:column;
}
.parent .bodys .conters .text{
    width: 211px;
    height: 40px;
    font-size: 13px;
    box-sizing: border-box;
    padding-top: 30px;


    align-self: center;

    display: flex;
    justify-content: center;
    align-items: center;
    
    text-align: justify;
}
/* 家长种草 end */

 /* 直播试听课 begin  */
.broadcast{
    width: 100%;
    background-color: #F7F8FA;
}
.broadcast .container{
    width: 1150px;
    height: 510px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 20px 0;

    position: relative;
    /* 相对定位 */
}
.broadcast .container>span{
    width: 50px;
    height: 50px;
    padding: 5px;
    background-color: rgb(219, 219, 221);
    border-radius: 50%;
    position: absolute;
    top: 250px;
    text-align: center;
    line-height: 40px;
    font-size: 20px;
    color: white;
}

.broadcast .container .prev{
    left: -55px;
}
.broadcast .container .next{
    right: -55px;
}
.broadcast .head{
    box-sizing: border-box;
    padding-top: 40px;
    width: 100%;
    
    /* background-color:green ; */
    display: flex;
    justify-content: space-between;
}
.broadcast .head .centerl{
    font-size: 35px;
}
.broadcast .head .centerr{
    color: blue;
    font-size: 20px;
    align-self: flex-end;
}
.broadcast .bodys{
    width: 100%;
    height: 420px;
    display: flex;

   
    justify-content: space-between;
    box-sizing: border-box;
    padding-top: 20px;
}
.broadcast .bodys .conter{
    width: 270px;
    height: 330px;
    border-radius: 15px;
    box-shadow: 2px 2px 2px 2px #999;
}
.broadcast .bodys .conter .text{
    box-sizing: border-box;
    padding: 10px 20px;
}
.broadcast .bodys .conter .text .little>li:first-child{
    font-size: 18px;
    
}
.broadcast .bodys .conter .text .little>li:last-child{
    box-sizing: border-box;
    padding-top: 5px;

    font-size: 15px;
    color: #AFAFAF;
}
.broadcast .bodys .conter .text .buton{
    width: 100%;
    height: 50px;
    
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 5px;
    
}
 /* 直播试听课 end  */

 /* 文章 begin */
.article{
    width: 100%;
}
.article .container{
    width: 1150px;
    height: 800px;
    margin: 0 auto;
    
}
.article .container .head{
    width: 100%;
    box-sizing: border-box;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.article .container .head .wen{
    font-size: 35px;
}
.article .container .head .duo{
    font-size: 18px;
    color: blue;
}
.article .container .bodys{
    width: 100%;
    height: 620px;
    
    display: flex;
    flex-wrap: wrap;
    margin: 40px 0;
}
.article .container .bodys .conter{
    width: 560px;
    height: 190px;
    
    border-radius: 5px;
    box-shadow:  1px 1px 1px 1px #F4F4F4;

    display: flex;
    justify-content: center;
    align-items: center;
}
.article .container .bodys .conter:nth-child(even){
    
    box-sizing: border-box;
    margin-left: 20px;
}

.article .container .bodys .conter .title{
    width: 500px;
    height: 140px;
    
    display: flex;
}
.article .container .bodys .conter .title .titleimg{
    width: 190px;
}
.article .container .bodys .conter .title .titletext{
    width: 304px;
    display: flex;
   flex-direction: column;
   justify-content: space-between;
}
.article .container .bodys .conter .title .titletext>div:first-child{
    font-size: 18px;
}
.article .container .bodys .conter .title .titletext>div:last-child{
    color: blue;
}
 /* 文章 end */

 /* 页脚 begin */
.footer{
    width: 100%;
    background-color: #414141;
 }
.footer .container{
    width: 1150px;
    height: 140px;
    margin: 0 auto;
 }
.footer .container .foott{
    width: 100%;
    
    /* background-color: burlywood; */

    box-sizing: border-box;

    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #777777;

}
.footer .container .foott .title{
    display: flex;
    /* background-color: cornflowerblue; */
    font-size: 20px;
    color: white;
}
.footer .container .foott .title>li{
    width: 120px;
}
.footer .container .foott .hou{
    display: flex;
}
.footer .container .foott .hou>li{
    width: 130px;
    display: flex;
    font-size: 20px;
    color: #777777;
}
.footer .container .foott .hou .houimg{
    width: 25px;
}
.footer .container .footf{
    width: 100%;
    height: 65px;
}
.footer .container .footf .footft{
    font-size: 12px;
    margin: 10px 0 ;
    text-align: center;
    color: #777777;
}
.footer .container .footf .footfb{
    font-size: 12px;
    text-align: center;
    color: #777777;
}
 /* 页脚 end */